Disinfection Properties of Conventional White LED Illumination and Their Potential Increase by Violet LEDs for Applications in Medical and Domestic Environments

• Autorzy: Buehler Jule , Sommerfeld Florian , Meurle Tobias , Hoenes Katharina , Hessling Martin

Identyfikatory

DOI

10.12913/22998624/134641

• Języki publikacji: EN

Abstrakty

EN

The antimicrobial impact of visible violet and blue light has been known for more than a century but hardly been applied for purposeful pathogen reduction or prevention. The disinfecting properties of wide-spread warm-white and cool-white light emitting diodes (LEDs) are investigated by irradiation of staphylococci with different LEDs and varying doses. Additionally, the combination of a white and a violet LED illumination is examined. Both white LEDs exhibit an antimicrobial effect, which seems to be dominated by the blue parts of the LED emissions. Unfortunately, the antimicrobial effect is weak in realistic illumination applications. Additional violet LEDs can significantly enhance this impact without a large change in human color perception. This allows reasonable applications in certain medical and domestic environments without endangering humans.

Słowa kluczowe

EN

antimicrobial; visible light; illumination; white; violet; LEDs; staphylococci

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2021
• Tom: Vol. 15, no 2
• Strony: 169--175
• Opis fizyczny: Bibliogr. 24 poz., fig., tab.

Twórcy

autor

Buehler Jule

• Institute of Medial Engineering and Mechatronics, Ulm University of Applied Sciences, Germany

autor

Sommerfeld Florian

• Institute of Medial Engineering and Mechatronics, Ulm University of Applied Sciences, Germany

autor

Meurle Tobias

• Institute of Medial Engineering and Mechatronics, Ulm University of Applied Sciences, Germany

autor

Hoenes Katharina

• Institute of Medial Engineering and Mechatronics, Ulm University of Applied Sciences, Germany

• https://orcid.org/0000-0002-2987-6503

autor

Hessling Martin

• Institute of Medial Engineering and Mechatronics, Ulm University of Applied Sciences, Germany

• https://orcid.org/0000-0002-4859-2864

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).